diff options
Diffstat (limited to 'v3po/v3po2vpp/src/main/java/io/fd/honeycomb/translate/v3po/interfaces/acl/common/AbstractIetfAclWriter.java')
-rw-r--r-- | v3po/v3po2vpp/src/main/java/io/fd/honeycomb/translate/v3po/interfaces/acl/common/AbstractIetfAclWriter.java | 251 |
1 files changed, 0 insertions, 251 deletions
diff --git a/v3po/v3po2vpp/src/main/java/io/fd/honeycomb/translate/v3po/interfaces/acl/common/AbstractIetfAclWriter.java b/v3po/v3po2vpp/src/main/java/io/fd/honeycomb/translate/v3po/interfaces/acl/common/AbstractIetfAclWriter.java deleted file mode 100644 index 347397aa3..000000000 --- a/v3po/v3po2vpp/src/main/java/io/fd/honeycomb/translate/v3po/interfaces/acl/common/AbstractIetfAclWriter.java +++ /dev/null @@ -1,251 +0,0 @@ -/* - * Copyright (c) 2016 Cisco and/or its affiliates. - * - * Licensed under the Apache License, Version 2.0 (the "License"); - * you may not use this file except in compliance with the License. - * You may obtain a copy of the License at: - * - * http://www.apache.org/licenses/LICENSE-2.0 - * - * Unless required by applicable law or agreed to in writing, software - * distributed under the License is distributed on an "AS IS" BASIS, - * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. - * See the License for the specific language governing permissions and - * limitations under the License. - */ - -package io.fd.honeycomb.translate.v3po.interfaces.acl.common; - -import static com.google.common.base.Preconditions.checkArgument; - -import com.google.common.base.Optional; -import com.google.common.base.Preconditions; -import io.fd.honeycomb.translate.vpp.util.JvppReplyConsumer; -import io.fd.honeycomb.translate.write.WriteContext; -import io.fd.honeycomb.translate.write.WriteFailedException; -import io.fd.vpp.jvpp.core.dto.ClassifyAddDelSession; -import io.fd.vpp.jvpp.core.dto.ClassifyAddDelSessionReply; -import io.fd.vpp.jvpp.core.dto.ClassifyAddDelTable; -import io.fd.vpp.jvpp.core.dto.ClassifyAddDelTableReply; -import io.fd.vpp.jvpp.core.future.FutureJVppCore; -import java.util.HashMap; -import java.util.List; -import java.util.ListIterator; -import java.util.Map; -import java.util.concurrent.CompletionStage; -import java.util.function.Predicate; -import java.util.stream.Collectors; -import java.util.stream.Stream; -import javax.annotation.Nonnull; -import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.access.control.list.rev160708.AclBase; -import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.access.control.list.rev160708.access.lists.AclKey; -import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.access.control.list.rev160708.access.lists.acl.AccessListEntries; -import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.access.control.list.rev160708.access.lists.acl.access.list.entries.Ace; -import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.access.control.list.rev160708.access.lists.acl.access.list.entries.ace.actions.PacketHandling; -import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.access.control.list.rev160708.access.lists.acl.access.list.entries.ace.matches.AceType; -import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.access.control.list.rev160708.access.lists.acl.access.list.entries.ace.matches.ace.type.AceEth; -import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.access.control.list.rev160708.access.lists.acl.access.list.entries.ace.matches.ace.type.AceIp; -import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.access.control.list.rev160708.access.lists.acl.access.list.entries.ace.matches.ace.type.ace.ip.AceIpVersion; -import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.access.control.list.rev160708.access.lists.acl.access.list.entries.ace.matches.ace.type.ace.ip.ace.ip.version.AceIpv4; -import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.access.control.list.rev160708.access.lists.acl.access.list.entries.ace.matches.ace.type.ace.ip.ace.ip.version.AceIpv6; -import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.vpp.acl.context.rev161214.mapping.entry.context.attributes.acl.mapping.entry.context.mapping.table.MappingEntry; -import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.vpp.acl.rev161214.InterfaceMode; -import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.vpp.acl.rev161214.access.lists.acl.access.list.entries.ace.matches.ace.type.AceIpAndEth; -import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.vpp.acl.rev161214.ietf.acl.base.attributes.AccessLists; -import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.vpp.acl.rev161214.ietf.acl.base.attributes.access.lists.Acl; -import org.opendaylight.yangtools.yang.binding.InstanceIdentifier; -import org.slf4j.Logger; -import org.slf4j.LoggerFactory; - -public abstract class AbstractIetfAclWriter implements IetfAclWriter, JvppReplyConsumer, AclTranslator { - - private static final Logger LOG = LoggerFactory.getLogger(AbstractIetfAclWriter.class); - protected static final int NOT_DEFINED = -1; - protected final FutureJVppCore jvpp; - - private Map<AclType, AceWriter<? extends AceType>> aceWriters = new HashMap<>(); - - public AbstractIetfAclWriter(@Nonnull final FutureJVppCore futureJVppCore) { - this.jvpp = Preconditions.checkNotNull(futureJVppCore, "futureJVppCore should not be null"); - aceWriters.put(AclType.ETH, new AceEthWriter()); - aceWriters.put(AclType.IP4, new AceIp4Writer()); - aceWriters.put(AclType.IP6, new AceIp6Writer()); - aceWriters.put(AclType.ETH_AND_IP, new AceIpAndEthWriter()); - } - - private static Stream<Ace> aclToAceStream(@Nonnull final Acl assignedAcl, - @Nonnull final WriteContext writeContext) { - final String aclName = assignedAcl.getName(); - final Class<? extends AclBase> aclType = assignedAcl.getType(); - - // ietf-acl updates are handled first, so we use writeContext.readAfter - final Optional<org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.access.control.list.rev160708.access.lists.Acl> - aclOptional = - writeContext.readAfter(io.fd.honeycomb.translate.v3po.interfaces.acl.IetfAclWriter.ACL_ID.child( - org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.access.control.list.rev160708.access.lists.Acl.class, - new AclKey(aclName, aclType))); - checkArgument(aclOptional.isPresent(), "Acl lists not configured"); - final org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.access.control.list.rev160708.access.lists.Acl - acl = aclOptional.get(); - - final AccessListEntries accessListEntries = acl.getAccessListEntries(); - checkArgument(accessListEntries != null, "access list entries not configured"); - - return accessListEntries.getAce().stream(); - } - - protected void removeClassifyTables(@Nonnull final InstanceIdentifier<?> id, @Nonnull final MappingEntry entry) - throws WriteFailedException { - removeClassifyTable(id, entry.getL2TableId()); - removeClassifyTable(id, entry.getIp4TableId()); - removeClassifyTable(id, entry.getIp6TableId()); - } - - private void removeClassifyTable(@Nonnull final InstanceIdentifier<?> id, final int tableIndex) - throws WriteFailedException { - - if (tableIndex == -1) { - return; // classify table id is absent - } - final ClassifyAddDelTable request = new ClassifyAddDelTable(); - request.tableIndex = tableIndex; - final CompletionStage<ClassifyAddDelTableReply> cs = jvpp.classifyAddDelTable(request); - getReplyForDelete(cs.toCompletableFuture(), id); - } - - protected static boolean appliesToIp4Path(final Ace ace) { - final AceType aceType = ace.getMatches().getAceType(); - final AclType aclType = AclType.fromAce(ace); - if (aclType == AclType.IP4) { - return true; - } - if (aclType == AclType.ETH) { - return true; // L2 only rules are possible for IP4 traffic - } - if (aclType == AclType.ETH_AND_IP && ((AceIpAndEth) aceType) - .getAceIpVersion() instanceof org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.vpp.acl.rev161214.access.lists.acl.access.list.entries.ace.matches.ace.type.ace.ip.and.eth.ace.ip.version.AceIpv4) { - return true; - } - return false; - } - - protected static boolean appliesToIp6Path(final Ace ace) { - final AceType aceType = ace.getMatches().getAceType(); - final AclType aclType = AclType.fromAce(ace); - if (aclType == AclType.IP6) { - return true; - } - if (aclType == AclType.ETH) { - return true; // L2 only rules are possible for IP6 traffic - } - if (aclType == AclType.ETH_AND_IP && ((AceIpAndEth) aceType) - .getAceIpVersion() instanceof org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.vpp.acl.rev161214.access.lists.acl.access.list.entries.ace.matches.ace.type.ace.ip.and.eth.ace.ip.version.AceIpv6) { - return true; - } - return false; - } - - protected static List<Ace> getACEs(@Nonnull final List<Acl> acls, @Nonnull final WriteContext writeContext, - final Predicate<? super Ace> filter) { - return acls.stream().flatMap(acl -> aclToAceStream(acl, writeContext)).filter(filter) - .collect(Collectors.toList()); - } - - protected int writeAces(final InstanceIdentifier<?> id, final List<Ace> aces, - final AccessLists.DefaultAction defaultAction, final InterfaceMode mode, - final int vlanTags) throws WriteFailedException { - if (aces.isEmpty()) { - return NOT_DEFINED; - } - - int nextTableIndex = configureDefaultAction(id, defaultAction); - final ListIterator<Ace> iterator = aces.listIterator(aces.size()); - while (iterator.hasPrevious()) { - final Ace ace = iterator.previous(); - LOG.trace("Processing ACE: {}", ace); - - final AceWriter aceWriter = - aceWriters.get(AclType.fromAce(ace)); - if (aceWriter == null) { - LOG.warn("AceProcessor for {} not registered. Skipping ACE.", ace.getClass()); - } else { - final AceType aceType = ace.getMatches().getAceType(); - final PacketHandling action = ace.getActions().getPacketHandling(); - final ClassifyAddDelTable ctRequest = aceWriter.createTable(aceType, mode, nextTableIndex, vlanTags); - nextTableIndex = createClassifyTable(id, ctRequest); - final List<ClassifyAddDelSession> sessionRequests = - aceWriter.createSession(action, aceType, mode, nextTableIndex, vlanTags); - for (ClassifyAddDelSession csRequest : sessionRequests) { - createClassifySession(id, csRequest); - } - } - } - return nextTableIndex; - } - - private int configureDefaultAction(@Nonnull final InstanceIdentifier<?> id, - final AccessLists.DefaultAction defaultAction) - throws WriteFailedException { - ClassifyAddDelTable ctRequest = createTable(-1); - if (AccessLists.DefaultAction.Permit.equals(defaultAction)) { - ctRequest.missNextIndex = -1; - } else { - ctRequest.missNextIndex = 0; - } - ctRequest.mask = new byte[16]; - ctRequest.skipNVectors = 0; - ctRequest.matchNVectors = 1; - return createClassifyTable(id, ctRequest); - } - - private int createClassifyTable(@Nonnull final InstanceIdentifier<?> id, - @Nonnull final ClassifyAddDelTable request) - throws WriteFailedException { - final CompletionStage<ClassifyAddDelTableReply> cs = jvpp.classifyAddDelTable(request); - - final ClassifyAddDelTableReply reply = getReplyForWrite(cs.toCompletableFuture(), id); - return reply.newTableIndex; - } - - private void createClassifySession(@Nonnull final InstanceIdentifier<?> id, - @Nonnull final ClassifyAddDelSession request) - throws WriteFailedException { - final CompletionStage<ClassifyAddDelSessionReply> cs = jvpp.classifyAddDelSession(request); - - getReplyForWrite(cs.toCompletableFuture(), id); - } - - private enum AclType { - ETH, IP4, IP6, ETH_AND_IP; - - @Nonnull - private static AclType fromAce(final Ace ace) { - AclType result = null; - final AceType aceType; - try { - aceType = ace.getMatches().getAceType(); - if (aceType instanceof AceEth) { - result = ETH; - } else if (aceType instanceof AceIp) { - final AceIpVersion aceIpVersion = ((AceIp) aceType).getAceIpVersion(); - if (aceIpVersion == null) { - throw new IllegalArgumentException("Incomplete ACE (ip-version was not provided): " + ace); - } - if (aceIpVersion instanceof AceIpv4) { - result = IP4; - } else if (aceIpVersion instanceof AceIpv6) { - result = IP6; - } - } else if (aceType instanceof AceIpAndEth) { - result = ETH_AND_IP; - } - } catch (NullPointerException e) { - throw new IllegalArgumentException("Incomplete ACE: " + ace, e); - } - if (result == null) { - throw new IllegalArgumentException(String.format("Not supported ace type %s", aceType)); - } - return result; - } - } -} |